Home / 20,883.06-31,325.81-6,844.55

Finding the Fourth Proportional to 20,883.06, 31,325.81 and 6,844.55

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Solution

The fourth proportional to 20,883.06, 31,325.81 and 6,844.55 is: 10,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883.06 : 31,325.81 = 6,844.55 : x
  2. Step 2: Convert to fraction form
    20,883.06/31,325.81 = 6,844.55/x
  3. Step 3: Cross multiply
    20,883.06x = 31,325.81 × 6,844.55
  4. Step 4: Simplify right side
    20,883.06x = 214,410,881.98
  5. Step 5: Solve for x
    x = 214,410,881.98/20,883.06
  6. Step 6: Final answer
    x = 10,267.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.